JavaScript DHTML/Event onMethod/onLoad
"onLoad" Example
<html>
<body onLoad="alert("The document is loaded")">
<img src="http://www.wbex.ru/style/logo.png">
</body>
</html>
onUnload event for body tag
<HTML>
<HEAD><TITLE></TITLE></HEAD>
<BODY onUnload="alert("Goodbye");">
</BODY>
</HTML>